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Registro Completo |
Biblioteca(s): |
Embrapa Clima Temperado. |
Data corrente: |
05/12/2023 |
Data da última atualização: |
05/12/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
BUENO, V. R.; CASSOL, A. P. V.; LEROY, C. J.; BUENO, M. L.; HEIDEN, G. |
Afiliação: |
VINICIUS R. BUENO, UNIVERSIDADE FEDERAL DO RIO GRANDE DO SUL; ANA P. V. CASSOL, UNIVERSIDADE FEDERAL DO RIO GRANDE DO SUL; CAROLINA J. LEROY, CENTRO UNIVERSITÁRIO UNA; MARCELO L. BUENO, UNIVERSIDADE ESTADUAL DE MATO GROSSO DO SUL; GUSTAVO HEIDEN, CPACT. |
Título: |
Calea × crassa (Neurolaeneae: Asteraceae), a new nothospecies from Paraná state, Brazil. |
Ano de publicação: |
2023 |
Fonte/Imprenta: |
Phytotaxa, v. 618, n. 2, p. 133-148, 2023. |
ISSN: |
1179-3163 |
DOI: |
https://doi.org/10.11646/phytotaxa.618.2.3 |
Idioma: |
Inglês |
Conteúdo: |
Calea × crassa, a new nothospecies is described and illustrated. The thickened pale olivaceous leaf margins along with the mucronate teeth are unique morphological features shared with its parental species C. ilienii and C. monocephala. The nothospecies can be distinguished from C. ilienii by the concolorous leaves (vs. discolorous leaves), involucre 6-seriate (vs. 5-seriate), second series of phyllaries with foliaceous base (vs. scarious base), and bigger scales 1.8–1.9 mm long, when present (vs. 1–1.5 mm, when present). It is differentiated from C. monocephala by the third series of phyllaries with acuminate apex (vs. apiculate, sometimes rounded), the narrow oblong sixth series of phyllaries (vs. oblanceolate, when present), and the bigger scales 1.8–1.9 mm long, when present (vs. 2.1–2.2 mm, when present). In addition to these characters, a principal component analysis also supports the traits differentiating the new hybrid from its parental taxa. Geographic distributions of C. × crassa and its parental species are mapped, including a modelled prediction occurrence map for the nothospecies. A taxonomic key for identification of the parents and the nothospecies is provided and the key morphological characters of these three taxa are illustrated. |
Palavras-Chave: |
Calea. |
Categoria do assunto: |
-- |
Marc: |
LEADER 01886naa a2200205 a 4500 001 2159163 005 2023-12-05 008 2023 bl uuuu u00u1 u #d 022 $a1179-3163 024 7 $ahttps://doi.org/10.11646/phytotaxa.618.2.3$2DOI 100 1 $aBUENO, V. R. 245 $aCalea × crassa (Neurolaeneae$bAsteraceae), a new nothospecies from Paraná state, Brazil.$h[electronic resource] 260 $c2023 520 $aCalea × crassa, a new nothospecies is described and illustrated. The thickened pale olivaceous leaf margins along with the mucronate teeth are unique morphological features shared with its parental species C. ilienii and C. monocephala. The nothospecies can be distinguished from C. ilienii by the concolorous leaves (vs. discolorous leaves), involucre 6-seriate (vs. 5-seriate), second series of phyllaries with foliaceous base (vs. scarious base), and bigger scales 1.8–1.9 mm long, when present (vs. 1–1.5 mm, when present). It is differentiated from C. monocephala by the third series of phyllaries with acuminate apex (vs. apiculate, sometimes rounded), the narrow oblong sixth series of phyllaries (vs. oblanceolate, when present), and the bigger scales 1.8–1.9 mm long, when present (vs. 2.1–2.2 mm, when present). In addition to these characters, a principal component analysis also supports the traits differentiating the new hybrid from its parental taxa. Geographic distributions of C. × crassa and its parental species are mapped, including a modelled prediction occurrence map for the nothospecies. A taxonomic key for identification of the parents and the nothospecies is provided and the key morphological characters of these three taxa are illustrated. 653 $aCalea 700 1 $aCASSOL, A. P. V. 700 1 $aLEROY, C. J. 700 1 $aBUENO, M. L. 700 1 $aHEIDEN, G. 773 $tPhytotaxa$gv. 618, n. 2, p. 133-148, 2023.
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Embrapa Clima Temperado (CPACT) |
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Biblioteca(s): |
Embrapa Florestas. |
Data corrente: |
09/08/2022 |
Data da última atualização: |
09/08/2022 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 2 |
Autoria: |
ZUCON, A. R. S.; PEDREIRA, G. Q.; MOTTA, A. C. V.; GOTZ, L. F.; MAEDA, S.; BASSACO, M. V. M.; MAGRI, E.; PRIOR, S. A.; SOUZA, L. C. de P.; OLIVEIRA JUNIOR, J. C. de. |
Afiliação: |
ANA ROSÁRIA SCLIFÓ ZUCON, UFPR; GUILHERME QUARESMA PEDREIRA, UFPR; ANTÔNIO CARLOS VARGAS MOTTA, UFPR; LENIR FÁTIMA GOTZ, ESALQ; SHIZUO MAEDA, CNPF; MARCOS VINÍCIUS MARTINS BASSACO, UNICENTRO; EDERLAN MAGRI, UFPR; STEPHEN ARTHUR PRIOR, USDA-ARS; LUIZ CLAUDIO DE PAULA SOUZA, UFPR; JAIRO CALDERARI DE OLIVEIRA JUNIOR, UFPR. |
Título: |
Piling secondary subtropical forest residue: long-term impacts on soil, trees, and weeds. |
Ano de publicação: |
2022 |
Fonte/Imprenta: |
Forests, v. 13, 1183, 15 p., 2022. |
DOI: |
https://doi.org/10.3390/f13081183 |
Idioma: |
Português |
Conteúdo: |
Abstract. The objective of this study was to evaluate the long-term effects of piling secondary forest residue (after 3 decades) on soil chemical properties, growth, and nutrition of Pinus taeda and weeds at three locations. After secondary forest removal and residue piling, areas were cultivated with P. taeda (22 years), followed by eucalyptus (7 years), and returned to P. taeda. At 2 years of age, tree height and needle-nutrient levels of ongoing P. taeda from areas influenced by residue piling and areas outside the piling zone were evaluated. Biomass and nutrient levels of herbaceous and shrub weeds, NDVI indices (via a drone), and soil chemistry were also evaluated. Residue-piled areas displayed a decrease in soil pH and an increase in available soil P and K. Although herbaceous and shrub-weed biomass increased 2.5 to 10 times in residue-piling areas, this did not compromise pine growth. While residue piling had little impact on the nutritional status of pine and weeds, NDVI values indicated greater plant growth in piling areas. In general, the long-term effect of residue piling was an important factor associated with the large variation in tree growth and weed incidence after 3 decades. |
Palavras-Chave: |
Forest planting; Management of forest residue; Nutritional effect; Resíduos. |
Thesagro: |
Pinus Taeda. |
Thesaurus NAL: |
Solanum mauritianum. |
Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1145365/1/Forests-2022-PilingSecondarySubtropicalForestResidue.pdf
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Marc: |
LEADER 02123naa a2200313 a 4500 001 2145365 005 2022-08-09 008 2022 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.3390/f13081183$2DOI 100 1 $aZUCON, A. R. S. 245 $aPiling secondary subtropical forest residue$blong-term impacts on soil, trees, and weeds.$h[electronic resource] 260 $c2022 520 $aAbstract. The objective of this study was to evaluate the long-term effects of piling secondary forest residue (after 3 decades) on soil chemical properties, growth, and nutrition of Pinus taeda and weeds at three locations. After secondary forest removal and residue piling, areas were cultivated with P. taeda (22 years), followed by eucalyptus (7 years), and returned to P. taeda. At 2 years of age, tree height and needle-nutrient levels of ongoing P. taeda from areas influenced by residue piling and areas outside the piling zone were evaluated. Biomass and nutrient levels of herbaceous and shrub weeds, NDVI indices (via a drone), and soil chemistry were also evaluated. Residue-piled areas displayed a decrease in soil pH and an increase in available soil P and K. Although herbaceous and shrub-weed biomass increased 2.5 to 10 times in residue-piling areas, this did not compromise pine growth. While residue piling had little impact on the nutritional status of pine and weeds, NDVI values indicated greater plant growth in piling areas. In general, the long-term effect of residue piling was an important factor associated with the large variation in tree growth and weed incidence after 3 decades. 650 $aSolanum mauritianum 650 $aPinus Taeda 653 $aForest planting 653 $aManagement of forest residue 653 $aNutritional effect 653 $aResíduos 700 1 $aPEDREIRA, G. Q. 700 1 $aMOTTA, A. C. V. 700 1 $aGOTZ, L. F. 700 1 $aMAEDA, S. 700 1 $aBASSACO, M. V. M. 700 1 $aMAGRI, E. 700 1 $aPRIOR, S. A. 700 1 $aSOUZA, L. C. de P. 700 1 $aOLIVEIRA JUNIOR, J. C. de 773 $tForests$gv. 13, 1183, 15 p., 2022.
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